{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell line", "protein", "RNA"], "input": "Possible relationship between the changes in IL-1 and GR in aged long-distance runner and its physiological significance are discussed."}
{"DNA": [], "cell line": [], "protein": ["IL-1", "GR"], "RNA": []}